(PHP 4 >= 4.2.0, PHP 5, PHP 7)
mb_get_info — Get internal settings of mbstring
mb_get_info ([ string $type = "all" ] ) : array|string|int|false
mb_get_info() returns the internal setting parameters of mbstring.
type
If type isn't specified or is specified to "all", an array having the elements "internal_encoding", "http_output", "http_input", "func_overload", "mail_charset", "mail_header_encoding", "mail_body_encoding" will be returned.
If type is specified as "http_output", "http_input", "internal_encoding", "func_overload", the specified setting parameter will be returned.
An array of type information if type is not specified, otherwise a specific type, or false on failure.
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https://www.php.net/manual/en/function.mb-get-info.php